Question 1
Per NAC 624.380, Nevada C-21F chilled and hot water systems work includes installation of which of the following?
Correct Answer:
Boilers, chillers, coils, cooling towers, piping, pumps, storage tanks, and valves used to produce and transfer water for temperature control
Question 2
A closed hydronic chilled- or hot-water loop is best described as which of the following?
Correct Answer:
A sealed, pressurized circuit that recirculates the same treated water through the plant, piping, and terminal coils
Question 3
On a chemically treated closed chilled- or hot-water loop, which ferrous pipe is the ordinary above-ground commercial choice?
Correct Answer:
ASTM A53 Grade B Schedule 40 black steel, joined by welding, grooving, flanging, or threading as listed
Question 4
Hydronic pipe, tubing, and fittings used on a C-21F chilled- or hot-water system must comply with which UMC 2018 source?
Correct Answer:
UMC Table 1210.1 listed materials rated for the system temperature, pressure, and fluid
Question 5
Where copper hydronic tube is joined to carbon-steel pipe or a steel pump flange, UPC 2018 Sections 605.15 and 605.16 require which fitting?
Correct Answer:
A dielectric union or other listed dielectric fitting
Question 1
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About this Exam

Prepare with the NV C-21F Chilled and Hot Water Systems Practice Questions - Nevada C-21F Chilled and Hot Water Systems Contractor Examination Exam practice quiz. This question bank includes 100 questions covering hydronic, hot-water, pipe, section, and chiller. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NV C-21F Chilled and Hot Water Systems Practice Questions - Nevada C-21F Chilled and Hot Water Systems Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on hydronic, hot-water, pipe, section, and chiller. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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